20960277

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3607}}^1$

素因数の和:3772

約数の個数: 16

約数和(自身を含む): 30307200

約数和(自身を除く): 9346923

約数列:

[1, 3, 13, 39, 149, 447, 1937, 3607, 5811, 10821, 46891, 140673, 537443, 1612329, 6986759, 20960277]

約数ペア:

[(1, 20960277), (3, 6986759), (13, 1612329), (39, 537443), (149, 140673), (447, 46891), (1937, 10821), (3607, 5811)]